Atomfair Niobium(V) Chloride Powder (NbCl₅), 99.9% Purity
Product Description
Atomfair niobium(V) chloride (NbCl₅) is supplied as a yellow crystalline solid with 99.9% purity. It is intended for research on niobium alkoxide and niobium-compound synthesis, and Lewis-acid-catalyzed organic reactions.
Technical Specifications
| PARAMETER DETAILS | |
|---|---|
| Product | Niobium(V) Chloride Powder (NbCl5) |
| Material | Niobium(V) Chloride |
| Chemical Formula | NbCl5 |
| CAS Number | 10026-12-7 |
| Purity | 99.9% |
| Physical State | Powder |
| Appearance | Yellow crystalline solid |
| Density | 2.75 g/cm³ |
| Melting Point | 204.7 °C |
| Water Reactivity | Hydrolyzes and decomposes in water |
| EC / EINECS Number | 233-059-8 |
| Molar Mass | 270.17 g/mol |
| Boiling Point | 248.2 °C |
| Solubility | Soluble in HCl, chloroform, and CCl₄ |
| Moisture Sensitivity | Deliquescent; hydrolyzes in air |
Key Features and Advantages
- 99.9% purity.
- Yellow crystalline solid.
- Density: 2.75 g/cm³.
APPLICATION SCOPE: niobium alkoxide and niobium-compound synthesis, sol-gel processing, and Lewis-acid-catalyzed organic reactions
DOCUMENTATION: COA and SDS can be provided upon request for batch-specific confirmation.
TAILORED SOLUTIONS FOR RESEARCH
For product specifications and quotation support, contact the Atomfair team.
Niobium(V) chloride is a deliquescent solid that hydrolyzes rapidly upon exposure to atmospheric moisture. Storage in a sealed container under dry inert gas is required to maintain stability.
- Moisture Sensitivity: The powder deliquesces and hydrolyzes in humid air, necessitating a moisture-free environment during storage and handling.
- Storage Requirement: Store in an airtight container under inert atmosphere to prevent moisture absorption and decomposition.
- Water Reactivity: Addition to water causes immediate hydrolysis and decomposition of the material.
This hygroscopic compound requires anhydrous conditions to prevent decomposition. The following steps ensure safe transfer and storage.
Required Equipment: Glovebox or dry inert atmosphere workstation
- Prepare Work Area
Ensure the handling area is dry and purged with inert gas to eliminate moisture. - Open Container
Open the container only within the inert atmosphere environment to avoid exposure to humid air. - Transfer Material
Transfer the required amount of powder to a pre-dried airtight vessel. - Seal Container
Seal the original container under inert gas immediately after use.
What is the melting point of NbCl5 and how does it affect its use in Lewis-acid-catalyzed reactions?
NbCl5 has a melting point of 204.7°C and a boiling point of 248.2°C, making it a yellow crystalline solid at room temperature that can be used as a Lewis acid catalyst in organic reactions at elevated temperatures without decomposition, provided moisture is excluded.
Is NbCl5 suitable for aqueous sol-gel processing?
No, NbCl5 hydrolyzes and decomposes in water, making it unsuitable for aqueous sol-gel processing. It is intended for anhydrous conditions such as niobium alkoxide synthesis or use in organic solvents like HCl, chloroform, and CCl₄.
What are the storage requirements for NbCl5 to maintain its 99.9% purity?
NbCl5 is deliquescent and hydrolyzes in air, so it must be stored under an inert atmosphere (e.g., argon or nitrogen) in a sealed, moisture-proof container to prevent decomposition and maintain its 99.9% purity.
Atomfair Niobium(V) Chloride Powder (NbCl₅) at 99.9% purity is a yellow crystalline solid with a density of 2.75 g/cm³, melting point of 204.7 °C, and boiling point of 248.2 °C. It is soluble in HCl, chloroform, and CCl₄, but is deliquescent and hydrolyzes in air and water, requiring strict moisture-free handling for applications in niobium alkoxide synthesis, sol-gel processing, and Lewis-acid-catalyzed organic reactions.
Positive
- High purity for sensitive synthesis: The 99.9% purity level supports reproducible results in niobium alkoxide and niobium-compound synthesis, minimizing contamination in sol-gel processing and catalytic studies.
- Defined thermal properties for processing: With a melting point of 204.7 °C and boiling point of 248.2 °C, the material offers a clear liquid-phase window for controlled reactions or distillation steps in organic synthesis.
Trade-offs
- Strict moisture sensitivity: The powder is deliquescent and hydrolyzes in air and water, requiring handling in inert-atmosphere gloveboxes or sealed systems to prevent decomposition and maintain purity.
- Limited solvent compatibility: Solubility is restricted to HCl, chloroform, and CCl₄, which may necessitate specialized solvent systems or additional safety measures for dissolution in common organic reactions.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).






